library(data.table)
data2002 <- read.csv("~/Desktop/2002_PM2.5.csv")
data2022 <- read.csv("~/Desktop/2022_PM2.5.csv")
dim(data2002)[1] 15976 20
dim(data2022)[1] 57761 20
head(data2002) Date Source Site.ID POC Daily.Mean.PM2.5.Concentration UNITS
1 01/05/2002 AQS 60010007 1 25.1 ug/m3 LC
2 01/06/2002 AQS 60010007 1 31.6 ug/m3 LC
3 01/08/2002 AQS 60010007 1 21.4 ug/m3 LC
4 01/11/2002 AQS 60010007 1 25.9 ug/m3 LC
5 01/14/2002 AQS 60010007 1 34.5 ug/m3 LC
6 01/17/2002 AQS 60010007 1 41.0 ug/m3 LC
DAILY_AQI_VALUE Site.Name DAILY_OBS_COUNT PERCENT_COMPLETE AQS_PARAMETER_CODE
1 78 Livermore 1 100 88101
2 92 Livermore 1 100 88101
3 71 Livermore 1 100 88101
4 80 Livermore 1 100 88101
5 98 Livermore 1 100 88101
6 115 Livermore 1 100 88101
AQS_PARAMETER_DESC CBSA_CODE CBSA_NAME
1 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
2 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
3 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
4 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
5 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
6 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
STATE_CODE STATE COUNTY_CODE COUNTY SITE_LATITUDE SITE_LONGITUDE
1 6 California 1 Alameda 37.68753 -121.7842
2 6 California 1 Alameda 37.68753 -121.7842
3 6 California 1 Alameda 37.68753 -121.7842
4 6 California 1 Alameda 37.68753 -121.7842
5 6 California 1 Alameda 37.68753 -121.7842
6 6 California 1 Alameda 37.68753 -121.7842
head(data2022) Date Source Site.ID POC Daily.Mean.PM2.5.Concentration UNITS
1 01/01/2022 AQS 60010007 3 12.7 ug/m3 LC
2 01/02/2022 AQS 60010007 3 13.9 ug/m3 LC
3 01/03/2022 AQS 60010007 3 7.1 ug/m3 LC
4 01/04/2022 AQS 60010007 3 3.7 ug/m3 LC
5 01/05/2022 AQS 60010007 3 4.2 ug/m3 LC
6 01/06/2022 AQS 60010007 3 3.8 ug/m3 LC
DAILY_AQI_VALUE Site.Name DAILY_OBS_COUNT PERCENT_COMPLETE AQS_PARAMETER_CODE
1 52 Livermore 1 100 88101
2 55 Livermore 1 100 88101
3 30 Livermore 1 100 88101
4 15 Livermore 1 100 88101
5 18 Livermore 1 100 88101
6 16 Livermore 1 100 88101
AQS_PARAMETER_DESC CBSA_CODE CBSA_NAME
1 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
2 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
3 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
4 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
5 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
6 PM2.5 - Local Conditions 41860 San Francisco-Oakland-Hayward, CA
STATE_CODE STATE COUNTY_CODE COUNTY SITE_LATITUDE SITE_LONGITUDE
1 6 California 1 Alameda 37.68753 -121.7842
2 6 California 1 Alameda 37.68753 -121.7842
3 6 California 1 Alameda 37.68753 -121.7842
4 6 California 1 Alameda 37.68753 -121.7842
5 6 California 1 Alameda 37.68753 -121.7842
6 6 California 1 Alameda 37.68753 -121.7842
tail(data2002) Date Source Site.ID POC Daily.Mean.PM2.5.Concentration UNITS
15971 12/10/2002 AQS 61131003 1 15 ug/m3 LC
15972 12/13/2002 AQS 61131003 1 15 ug/m3 LC
15973 12/22/2002 AQS 61131003 1 1 ug/m3 LC
15974 12/25/2002 AQS 61131003 1 23 ug/m3 LC
15975 12/28/2002 AQS 61131003 1 5 ug/m3 LC
15976 12/31/2002 AQS 61131003 1 6 ug/m3 LC
DAILY_AQI_VALUE Site.Name DAILY_OBS_COUNT PERCENT_COMPLETE
15971 57 Woodland-Gibson Road 1 100
15972 57 Woodland-Gibson Road 1 100
15973 4 Woodland-Gibson Road 1 100
15974 74 Woodland-Gibson Road 1 100
15975 21 Woodland-Gibson Road 1 100
15976 25 Woodland-Gibson Road 1 100
AQS_PARAMETER_CODE AQS_PARAMETER_DESC CBSA_CODE
15971 88101 PM2.5 - Local Conditions 40900
15972 88101 PM2.5 - Local Conditions 40900
15973 88101 PM2.5 - Local Conditions 40900
15974 88101 PM2.5 - Local Conditions 40900
15975 88101 PM2.5 - Local Conditions 40900
15976 88101 PM2.5 - Local Conditions 40900
CBSA_NAME STATE_CODE STATE COUNTY_CODE
15971 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
15972 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
15973 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
15974 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
15975 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
15976 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
COUNTY SITE_LATITUDE SITE_LONGITUDE
15971 Yolo 38.66121 -121.7327
15972 Yolo 38.66121 -121.7327
15973 Yolo 38.66121 -121.7327
15974 Yolo 38.66121 -121.7327
15975 Yolo 38.66121 -121.7327
15976 Yolo 38.66121 -121.7327
tail(data2022) Date Source Site.ID POC Daily.Mean.PM2.5.Concentration UNITS
57756 12/01/2022 AQS 61131003 1 3.4 ug/m3 LC
57757 12/07/2022 AQS 61131003 1 3.8 ug/m3 LC
57758 12/13/2022 AQS 61131003 1 6.0 ug/m3 LC
57759 12/19/2022 AQS 61131003 1 34.8 ug/m3 LC
57760 12/25/2022 AQS 61131003 1 23.2 ug/m3 LC
57761 12/31/2022 AQS 61131003 1 1.0 ug/m3 LC
DAILY_AQI_VALUE Site.Name DAILY_OBS_COUNT PERCENT_COMPLETE
57756 14 Woodland-Gibson Road 1 100
57757 16 Woodland-Gibson Road 1 100
57758 25 Woodland-Gibson Road 1 100
57759 99 Woodland-Gibson Road 1 100
57760 74 Woodland-Gibson Road 1 100
57761 4 Woodland-Gibson Road 1 100
AQS_PARAMETER_CODE AQS_PARAMETER_DESC CBSA_CODE
57756 88101 PM2.5 - Local Conditions 40900
57757 88101 PM2.5 - Local Conditions 40900
57758 88101 PM2.5 - Local Conditions 40900
57759 88101 PM2.5 - Local Conditions 40900
57760 88101 PM2.5 - Local Conditions 40900
57761 88101 PM2.5 - Local Conditions 40900
CBSA_NAME STATE_CODE STATE COUNTY_CODE
57756 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
57757 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
57758 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
57759 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
57760 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
57761 Sacramento--Roseville--Arden-Arcade, CA 6 California 113
COUNTY SITE_LATITUDE SITE_LONGITUDE
57756 Yolo 38.66121 -121.7327
57757 Yolo 38.66121 -121.7327
57758 Yolo 38.66121 -121.7327
57759 Yolo 38.66121 -121.7327
57760 Yolo 38.66121 -121.7327
57761 Yolo 38.66121 -121.7327
colnames(data2002) [1] "Date" "Source"
[3] "Site.ID" "POC"
[5] "Daily.Mean.PM2.5.Concentration" "UNITS"
[7] "DAILY_AQI_VALUE" "Site.Name"
[9] "DAILY_OBS_COUNT" "PERCENT_COMPLETE"
[11] "AQS_PARAMETER_CODE" "AQS_PARAMETER_DESC"
[13] "CBSA_CODE" "CBSA_NAME"
[15] "STATE_CODE" "STATE"
[17] "COUNTY_CODE" "COUNTY"
[19] "SITE_LATITUDE" "SITE_LONGITUDE"
colnames(data2022) [1] "Date" "Source"
[3] "Site.ID" "POC"
[5] "Daily.Mean.PM2.5.Concentration" "UNITS"
[7] "DAILY_AQI_VALUE" "Site.Name"
[9] "DAILY_OBS_COUNT" "PERCENT_COMPLETE"
[11] "AQS_PARAMETER_CODE" "AQS_PARAMETER_DESC"
[13] "CBSA_CODE" "CBSA_NAME"
[15] "STATE_CODE" "STATE"
[17] "COUNTY_CODE" "COUNTY"
[19] "SITE_LATITUDE" "SITE_LONGITUDE"
str(data2002)'data.frame': 15976 obs. of 20 variables:
$ Date : chr "01/05/2002" "01/06/2002" "01/08/2002" "01/11/2002" ...
$ Source : chr "AQS" "AQS" "AQS" "AQS" ...
$ Site.ID : int 60010007 60010007 60010007 60010007 60010007 60010007 60010007 60010007 60010007 60010007 ...
$ POC : int 1 1 1 1 1 1 1 1 1 1 ...
$ Daily.Mean.PM2.5.Concentration: num 25.1 31.6 21.4 25.9 34.5 41 29.3 15 18.8 37.9 ...
$ UNITS : chr "ug/m3 LC" "ug/m3 LC" "ug/m3 LC" "ug/m3 LC" ...
$ DAILY_AQI_VALUE : int 78 92 71 80 98 115 87 57 65 107 ...
$ Site.Name : chr "Livermore" "Livermore" "Livermore" "Livermore" ...
$ DAILY_OBS_COUNT : int 1 1 1 1 1 1 1 1 1 1 ...
$ PERCENT_COMPLETE : num 100 100 100 100 100 100 100 100 100 100 ...
$ AQS_PARAMETER_CODE : int 88101 88101 88101 88101 88101 88101 88101 88101 88101 88101 ...
$ AQS_PARAMETER_DESC : chr "PM2.5 - Local Conditions" "PM2.5 - Local Conditions" "PM2.5 - Local Conditions" "PM2.5 - Local Conditions" ...
$ CBSA_CODE : int 41860 41860 41860 41860 41860 41860 41860 41860 41860 41860 ...
$ CBSA_NAME : chr "San Francisco-Oakland-Hayward, CA" "San Francisco-Oakland-Hayward, CA" "San Francisco-Oakland-Hayward, CA" "San Francisco-Oakland-Hayward, CA" ...
$ STATE_CODE : int 6 6 6 6 6 6 6 6 6 6 ...
$ STATE : chr "California" "California" "California" "California" ...
$ COUNTY_CODE : int 1 1 1 1 1 1 1 1 1 1 ...
$ COUNTY : chr "Alameda" "Alameda" "Alameda" "Alameda" ...
$ SITE_LATITUDE : num 37.7 37.7 37.7 37.7 37.7 ...
$ SITE_LONGITUDE : num -122 -122 -122 -122 -122 ...
str(data2022)'data.frame': 57761 obs. of 20 variables:
$ Date : chr "01/01/2022" "01/02/2022" "01/03/2022" "01/04/2022" ...
$ Source : chr "AQS" "AQS" "AQS" "AQS" ...
$ Site.ID : int 60010007 60010007 60010007 60010007 60010007 60010007 60010007 60010007 60010007 60010007 ...
$ POC : int 3 3 3 3 3 3 3 3 3 3 ...
$ Daily.Mean.PM2.5.Concentration: num 12.7 13.9 7.1 3.7 4.2 3.8 2.3 6.9 13.6 11.2 ...
$ UNITS : chr "ug/m3 LC" "ug/m3 LC" "ug/m3 LC" "ug/m3 LC" ...
$ DAILY_AQI_VALUE : int 52 55 30 15 18 16 10 29 54 47 ...
$ Site.Name : chr "Livermore" "Livermore" "Livermore" "Livermore" ...
$ DAILY_OBS_COUNT : int 1 1 1 1 1 1 1 1 1 1 ...
$ PERCENT_COMPLETE : num 100 100 100 100 100 100 100 100 100 100 ...
$ AQS_PARAMETER_CODE : int 88101 88101 88101 88101 88101 88101 88101 88101 88101 88101 ...
$ AQS_PARAMETER_DESC : chr "PM2.5 - Local Conditions" "PM2.5 - Local Conditions" "PM2.5 - Local Conditions" "PM2.5 - Local Conditions" ...
$ CBSA_CODE : int 41860 41860 41860 41860 41860 41860 41860 41860 41860 41860 ...
$ CBSA_NAME : chr "San Francisco-Oakland-Hayward, CA" "San Francisco-Oakland-Hayward, CA" "San Francisco-Oakland-Hayward, CA" "San Francisco-Oakland-Hayward, CA" ...
$ STATE_CODE : int 6 6 6 6 6 6 6 6 6 6 ...
$ STATE : chr "California" "California" "California" "California" ...
$ COUNTY_CODE : int 1 1 1 1 1 1 1 1 1 1 ...
$ COUNTY : chr "Alameda" "Alameda" "Alameda" "Alameda" ...
$ SITE_LATITUDE : num 37.7 37.7 37.7 37.7 37.7 ...
$ SITE_LONGITUDE : num -122 -122 -122 -122 -122 ...
summary(data2002) Date Source Site.ID POC
Length:15976 Length:15976 Min. :60010007 Min. :1.000
Class :character Class :character 1st Qu.:60290014 1st Qu.:1.000
Mode :character Mode :character Median :60590007 Median :1.000
Mean :60549600 Mean :1.581
3rd Qu.:60731002 3rd Qu.:1.000
Max. :61131003 Max. :6.000
Daily.Mean.PM2.5.Concentration UNITS DAILY_AQI_VALUE
Min. : 0.00 Length:15976 Min. : 0.00
1st Qu.: 7.00 Class :character 1st Qu.: 29.00
Median : 12.00 Mode :character Median : 50.00
Mean : 16.12 Mean : 53.68
3rd Qu.: 20.50 3rd Qu.: 69.00
Max. :104.30 Max. :176.00
Site.Name DAILY_OBS_COUNT PERCENT_COMPLETE AQS_PARAMETER_CODE
Length:15976 Min. :1 Min. :100 Min. :88101
Class :character 1st Qu.:1 1st Qu.:100 1st Qu.:88101
Mode :character Median :1 Median :100 Median :88101
Mean :1 Mean :100 Mean :88215
3rd Qu.:1 3rd Qu.:100 3rd Qu.:88502
Max. :1 Max. :100 Max. :88502
AQS_PARAMETER_DESC CBSA_CODE CBSA_NAME STATE_CODE
Length:15976 Min. :12540 Length:15976 Min. :6
Class :character 1st Qu.:23420 Class :character 1st Qu.:6
Mode :character Median :40140 Mode :character Median :6
Mean :33270 Mean :6
3rd Qu.:41740 3rd Qu.:6
Max. :49700 Max. :6
NA's :929
STATE COUNTY_CODE COUNTY SITE_LATITUDE
Length:15976 Min. : 1.00 Length:15976 Min. :32.63
Class :character 1st Qu.: 29.00 Class :character 1st Qu.:34.07
Mode :character Median : 59.00 Mode :character Median :35.36
Mean : 54.78 Mean :36.00
3rd Qu.: 73.00 3rd Qu.:37.77
Max. :113.00 Max. :41.71
SITE_LONGITUDE
Min. :-124.2
1st Qu.:-121.4
Median :-119.1
Mean :-119.4
3rd Qu.:-117.9
Max. :-115.5
summary(data2022) Date Source Site.ID POC
Length:57761 Length:57761 Min. :60010007 Min. : 1.000
Class :character Class :character 1st Qu.:60311004 1st Qu.: 1.000
Mode :character Mode :character Median :60631007 Median : 3.000
Mean :60571692 Mean : 2.531
3rd Qu.:60771003 3rd Qu.: 3.000
Max. :61131003 Max. :21.000
Daily.Mean.PM2.5.Concentration UNITS DAILY_AQI_VALUE
Min. : -2.200 Length:57761 Min. : 0.00
1st Qu.: 4.200 Class :character 1st Qu.: 18.00
Median : 7.000 Mode :character Median : 29.00
Mean : 8.564 Mean : 32.94
3rd Qu.: 10.900 3rd Qu.: 45.00
Max. :302.500 Max. :353.00
Site.Name DAILY_OBS_COUNT PERCENT_COMPLETE AQS_PARAMETER_CODE
Length:57761 Min. :1 Min. :100 Min. :88101
Class :character 1st Qu.:1 1st Qu.:100 1st Qu.:88101
Mode :character Median :1 Median :100 Median :88101
Mean :1 Mean :100 Mean :88196
3rd Qu.:1 3rd Qu.:100 3rd Qu.:88101
Max. :1 Max. :100 Max. :88502
AQS_PARAMETER_DESC CBSA_CODE CBSA_NAME STATE_CODE
Length:57761 Min. :12540 Length:57761 Min. :6
Class :character 1st Qu.:31080 Class :character 1st Qu.:6
Mode :character Median :40140 Mode :character Median :6
Mean :35445 Mean :6
3rd Qu.:41860 3rd Qu.:6
Max. :49700 Max. :6
NA's :4761
STATE COUNTY_CODE COUNTY SITE_LATITUDE
Length:57761 Min. : 1.00 Length:57761 Min. :32.58
Class :character 1st Qu.: 31.00 Class :character 1st Qu.:34.14
Mode :character Median : 63.00 Mode :character Median :36.60
Mean : 57.02 Mean :36.37
3rd Qu.: 77.00 3rd Qu.:38.10
Max. :113.00 Max. :41.76
SITE_LONGITUDE
Min. :-124.2
1st Qu.:-121.5
Median :-119.8
Mean :-119.7
3rd Qu.:-118.1
Max. :-115.5
any(is.na(data2002))[1] TRUE
any(is.na(data2022))[1] TRUE
col_has_missing <- apply(data2002, 2, function(x) any(is.na(x)))
colnames(data2002)[col_has_missing][1] "CBSA_CODE"
col_has_missing <- apply(data2022, 2, function(x) any(is.na(x)))
colnames(data2022)[col_has_missing][1] "CBSA_CODE"
table(data2002$Site.Name)
230
3425 N FIRST ST, FRESNO
499
Alturas-Fourth St.
2
Anaheim
351
Aqua Tibia Wilderness
104
Atascadero (original site)
116
Azusa
339
Bakersfield-Airport (Planz)
117
Bakersfield-California
1295
Bakersfield-Golden / M St
91
Big Bear
56
Bliss SP
113
Brawley-401 Main St.
85
Burbank
122
Calexico-Ethel Street
165
Chico-Manzanita Ave.
120
Chula Vista
116
Clovis-Villa
86
Colusa-Sunrise Blvd
95
Concord
276
Corcoran-Patterson
83
Death Valley NP - Park Village
115
Echo Summit
2
El Cajon
416
El Centro-9th Street
92
El Rio-Rio Mesa School #2
114
Escondido
355
Eureka I Street
59
Fontana
118
Fremont - Chapel Way
105
Fresno-Pacific
91
Grass Valley-Litton Building
50
Hoover Wilderness
111
Indio
117
Joshua Tree NP - Black Rock
96
Kaiser Wilderness
84
Kearny Mesa
111
Keeler
162
Lakeport-Lakeport Blvd.
61
Lancaster-Division Street
107
Lassen Volcanic NP - Manzanita Lake Fire Station
104
Lava Beds National Monument
104
Lebec
109
Lebec-Peace Valley Road
93
Livermore
96
Long Beach (North)
356
Los Angeles-North Main Street
365
Lynwood
122
Merced-M St
89
Mission Viejo
119
Modesto-14th Street
183
Mojave
100
Ontario Fire Station
111
Palm Springs
119
Pasadena
121
Pinnacles NP - Southwest of East Entrance Station
119
Piru - Pacific
117
Point Reyes NS Ranger Station
97
Portola-161 Nevada Street
100
Quincy-N Church Street
77
Redding - Buckeye
54
Redding - Health Department
54
Redding - Toyon
59
Redwood City
100
Redwood NP
110
Reseda
120
Ridgecrest-California Ave
104
Riverside (Magnolia)
115
Roseville-N Sunrise Ave
60
Rubidoux
562
Sacramento Health Department-Stockton Blvd.
154
Sacramento-1309 T Street
380
Sacramento-Del Paso Manor
285
Salinas 3
120
San Andreas-Gold Strike Road
60
San Bernardino
117
San Diego-12th Ave
352
San Francisco
196
San Jose
217
San Jose - 4th St.
141
San Jose - Jackson
101
San Luis Obispo-Marsh St.
52
San Rafael Wilderness
92
Santa Cruz
61
Santa Maria
60
Santa Rosa - 5th St
93
Sequoia NP-Ash Mountain
104
Simi Valley-Cochran Street
169
South Lake Tahoe-Sandy Way
93
Stockton-Hazelton
124
Thousand Oaks
156
TRAFFIC, RURAL PAVED ROAD
353
Trinity
90
Truckee-Fire Station
176
Ukiah-Library
122
Vallejo
97
Victorville-Park Avenue
225
Visalia-Church
404
Woodland-Gibson Road
112
Yosemite NP - Turtleback Dome
116
Yosemite NP-Yosemite Village Vistor Center
174
Yuba City
114
summary(data2002$Daily.Mean.PM2.5.Concentration) Min. 1st Qu. Median Mean 3rd Qu. Max.
0.00 7.00 12.00 16.12 20.50 104.30
table(data2022$Site.Name)
593
29 Palms
414
Alpine
382
Anaheim
774
Aqua Tibia Wilderness
64
Arroyo Grande CDF
359
Atascadero
354
Auburn-Atwood
360
Azusa
76
Bakersfield-Airport (Planz)
114
Bakersfield-California
713
Bakersfield-Golden / M St
330
Banning Airport
365
Big Bear
394
Bishop Tribe EMO
354
Brawley-220 Main Street
364
Calexico-Ethel Street
448
Camp Pendleton
357
Campo Indian Reservation
362
Carmel Valley
350
Chester-222 First Ave
289
Chico-East Avenue
411
Chula Vista
102
Clovis-Villa
359
Colfax-City Hall
358
Colusa-Sunrise Blvd
359
Compton
723
Concord
463
Corcoran-Patterson
360
Cortina Indian Rancheria
42
Crescent City-Crescent Elk School
338
Crestline
178
Davis-UCD Campus
356
Donovan
360
El Cajon - Lexington Elementary School
491
El Centro-9th Street
363
El Rio-Rio Mesa School #2
361
Folsom-Natoma St.
696
Fontana
180
Fresno - Garland
542
Fresno-Foundry
363
Fresno-Pacific
352
Gilroy
349
Glendora
365
Goleta
361
Grass Valley-Litton Building
346
Hanford-Irwin
361
Hollister
359
Hoover Wilderness
117
Huron
360
Indio
123
Jacobs
116
Joshua Tree NP - Black Rock
119
Kaiser Wilderness
112
Keeler
479
King City 2
355
Lake Elsinore
365
Lake Tahoe Community College
111
Lakeport-S. Main Street
61
Lancaster-Division Street
352
Laney College
360
Lassen Volcanic NP - Manzanita Lake Fire Station
107
Lava Beds National Monument
112
Lebec
398
Lebec-Peace Valley/Frazier Park Roads
106
Lee Vining
363
Lincoln-2885 Moore Road
357
Livermore
343
Lompoc H Street
361
Lone Pine Paiute-Shoshone Reservation
302
Long Beach (North)
55
Long Beach (South)
243
Long Beach-Route 710 Near Road
625
Los Angeles-North Main Street
911
Madera-City
360
Mammoth
215
Manteca
343
Merced-Coffee
359
Merced-M St
360
Mesa2
361
Mira Loma (Van Buren)
778
Mission Viejo
108
Modesto-14th Street
415
Mojave - CA 58 Business
355
Morongo Air Monitoring Station
385
North Hollywood (NOHO)
365
Oakland
365
Oakland West
364
Ojai - East Ojai Ave
360
Ontario-Route 60 Near Road
705
Pala Airpad
365
Palm Springs
120
Paradise - Theater
358
Pasadena
120
Pechanga
402
Pico Rivera #2
118
Pinnacles NP - Southwest of East Entrance Station
119
Piru - Pacific
361
Pleasanton - Owens Ct
361
Point Reyes NS Ranger Station
116
Porterville
356
Portola
553
Quincy-N Church Street
434
Red Bluff-Walnut St. District Office
347
Redding - Health Department
377
Redwood City
356
Redwood NP
120
Reseda
482
Ridgecrest-Ward
360
Roseville-N Sunrise Ave
357
Rubidoux
818
Sacramento-1309 T Street
446
Sacramento-Bercut Drive
359
Sacramento-Del Paso Manor
703
Salinas 3
418
San Andreas-Gold Strike Road
355
San Bernardino
118
San Diego - Kearny Villa Rd.
172
San Diego - Sherman Elementary School
437
San Diego -Rancho Carmel Drive
119
San Francisco
361
San Jose - Jackson
485
San Jose - Knox Avenue
358
San Lorenzo Valley Middle School
358
San Pablo
358
San Rafael
360
San Rafael Wilderness
95
Santa Barbara
351
Santa Clarita
365
Santa Cruz
352
Sebastopol
349
Sequoia & Kings Canyon NPs - Ash Mountain
352
Sequoia NP-Ash Mountain
122
Signal Hill (LBSH)
293
Simi Valley-Cochran Street
714
SLO Roberto
364
Sloughhouse
355
Stn.1 Big Pine Paiute site
325
Stockton - University Park
351
Table Mountain Air Monitoring Site
339
Tahoe City-Fairway Drive
356
Temecula
365
Thousand Oaks
358
Torres Martinez Reservation
235
Tracy-Airport
355
TRAFFIC, RURAL PAVED ROAD
357
Tranquillity
352
Trinity
50
Truckee-Fire Station
650
Turlock
357
Ukiah-Library
350
Upland
365
Vallejo
720
Victorville-Park Avenue
722
Visalia-W. Ashland Avenue
393
Weaverville-Courthouse
352
White Mountain Research Center - Owens Valley Lab
420
Willits-Blosser Lane
351
Willows-Colusa Street
351
Woodland-Gibson Road
59
Yosemite NP - Turtleback Dome
224
Yosemite NP-Yosemite Village Vistor Center
356
Yreka
589
Yuba City
715
summary(data2022$Daily.Mean.PM2.5.Concentration) Min. 1st Qu. Median Mean 3rd Qu. Max.
-2.200 4.200 7.000 8.564 10.900 302.500